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Finding the Third Proportional to 9,172,882 and 19,959,904

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Solution

The third proportional to 9,172,882 and 19,959,904 is: 43,432,126.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,172,882 : 19,959,904 = 19,959,904 : x
  2. Step 2: Convert to fraction form
    9,172,882/19,959,904 = 19,959,904/x
  3. Step 3: Cross multiply
    9,172,882x = 19,959,904 × 19,959,904
  4. Step 4: Simplify right side
    9,172,882x = 398,397,767,689,216
  5. Step 5: Solve for x
    x = 398,397,767,689,216/9,172,882
  6. Step 6: Final answer
    x = 43,432,126.10

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.